Elasmobranquios (tiburones y rayas) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Leucoraja: Greek, leykos = white + Latin, raja = a fish, Raja sp. (Ref. 45335).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal; rango de profundidad 53 - 588 m (Ref. 106604). Tropical
Western Central Atlantic: northern Gulf of Mexico to Nicaragua. Regarded as junior synonym of Raja garmani, but findings unpublished (Ref. 3824).
Longitud en la primera madurez / Tamaño / Peso / Edad
Madurez: Lm 37.5, range 35 - 40 cm
Max length : 44.0 cm TL macho / no sexado; (Ref. 106604)
Upper surface disk is densely freckled with small dark brown or pale brown and whitish spots, not arranged in rosettes (Ref. 7251). Spots on tail grouped in form about five or six prominent bars. Light and dark spots on dorsal and caudal fin. Lower surface whitish (Ref. 6902).
Body shape (shape guide): other.
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: escaso valor comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Temperatura preferida (Referencia
123201): 13.9 - 23.5, mean 19.7 °C (based on 83 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00165 - 0.00694), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.6 ±0.1 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec assumed to be <100).
Vulnerabilidad pesquera (Ref.
59153): Low to moderate vulnerability (34 of 100).
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Nutrientes (Ref.
124155): Calcium = 28.4 [3.7, 536.4] mg/100g; Iron = 0.809 [0.075, 9.456] mg/100g; Protein = 15.7 [13.7, 17.7] %; Omega3 = 0.352 [0.141, 0.919] g/100g; Selenium = 57.8 [10.7, 304.1] μg/100g; VitaminA = 12.1 [0.9, 129.1] μg/100g; Zinc = 0.77 [0.04, 8.92] mg/100g (wet weight);